Dynavector's DV 507 Mk II Limited Edition, Chrome & Black Finish

The new MKII version of the Dynavector DV 507 tonearm has made its long-awaited debut, building on the strengths of the original DV 507 which has enjoyed the highest reputation among audiophiles world-wide since its appearance in 1984.

As it is a bi-axis inertia controlled tonearm the DV 507, no matter the type of cartridge can trace the music signal grooves cut in the recording with extreme accuracy. The DV 507 also provides superb trackability on warped recordings. Resolution and musical detailing are quite remarkable.

* High precision all stainless steel bearings The use of precision stainless steel bearings give superb dynamic sensitivity and a stabilised tracking performance without any deterioration through ageing.

* Non-contact electro magnetic damperThe use of new type damper with a powerful Neodymium magnet gives better damping and ensures that any adverse effects on tracking performance are minimised.

* Large arm liftA larger arm lift gives a stable lift action which maintains its performance over long periods enabling cartridges to be raised and lowered without stress.

Detachable headshell plug in connectorThe use of a new type of plug-in connector ensures that good contact is maintained with the Rhodium coated headshell contact pin during long-term use.

* New style headshell and lead wiresThe new style headshell is suitable for use with a wide variety of cartridges. It is machined from aluminium alloy and has an EIA standard connector. This allows the cartridge to be rigidly mounted and the azimuth adjustment. pure 6N wire is used in lead wires for the headshell and internal wires of the arm.

Advantages of Bi-Axis Inertia Controlled Dynamic Balance Type TonearmA tone arm is required to operate in two important ways so as to ensure that the cartridge can reproduce faithfully the signal from the record groove.

First, there is the need to support the cartridge so that the transfer of the cantilever motion accurately mirrors the audio signal.

Secondly, it must maintain an excellent tracking ability for warped records since few records are perfectly flat.

These requirements can conflict with each other. However, the bi-axis tonearm provides an effective solution to the problem.

Main Features-Electro Magnetic Damping System for accurate trackingArm Lift providedEasy Height AdjustmentDynamic Balance Tracking Force AdjusterDynamic Damper installed in sub armTo make the DV 507 MKII compatible with a wide variety of turntables, the overall length and height of the arm have both been reduced compared to the earlier versions. The DV505 and DV501 have enjoyed an excellent reputation in the European audio market since being awarded the Design and Engineering Award at C.E.S. Chicago in 1977,1982 and 1985.The DV507MKII has important sonic improvements as well as being easier to install and use. It includes all of the technology of our tonearm design developed since the DV505 and 501.

"Bi-axis inertia separation" may sound complex but it simply refers to a tone arm having two arms which operate independently in the horizontal and vertical planes. In contrast, a conventional tonearm has only one arm which moves both horizontally and vertically. This is called a gimbal type tonearm and the inertia for both planes is the same.

The DV507 bi-axis tone arm has a large inertia for horizontal movement and a very small inertia for vertical movement. We shall now explain the reasons why this is advantageous.It is well known that a cartridge generates an audio signal by the differential motion between the cantilever and the cartridge body. Consequently, if the supporting point of the cartridge (the tonearm) vibrates, the tonearm motion affects the audio signal.

In these conditions, the signal, which causes the tonearm to vibrate is of low frequency and large amplitude.

In the currently used 45-45 stereo record cutting procedure, low frequency signals are almost entirely recorded in a horizontal direction. This means that the low frequency signal, which can cause vibration in the tone arm, exists only as a horizontal force.

The tonearm therefore must have sufficient effective mass and rigidity in the horizontal plane in order to provide a stable platform for the cartridge.

On the other hand, for the mid to high frequencies, the effective mass of the tonearm should not be too large since the combined mass of the cartridge and the head shell need to be taken into account as well. In particular, where records have a warped surface, the vertical effective mass needs to be small enough to ensure a good tracking ability on such surfaces.

To summarise, the tone arm should have a large effective mass and enough damping in the horizontal plane and at the same time a small effective mass in the vertical plane.

These conditions are almost impossible to achieve with a tone arm of conventional design using a simple gimbal pivoting system. To solve the problem, Dynavector designed a bi-axis, inertia controlled tonearm where the shorter and lightweight vertical sub arm is placed at the end of the horizontal main arm. This is the special feature of our design.

Pricing Information

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